Dedicated to continued research and development of the most advanced performance products.

#IC325 Megacooler ntercooler. We worked hard on making this intercooler the largest, most efficient, street friendly, ultimate race on the market. This is a big task but the engineers at RJC are up to the task. These are now available.

RJC racing block girdle: This block girdle was designed with one thing in mind, strength. Made from 3/4" thick 1018 billet steel plate, flame cut out for rigidity, blanchard ground to ensure flatness then CNC machined to exact tolerance.The girdle comes with all of the mounting and installation hardware required. We use ARP® and grade 8 fasteners.

RJC pulleys are available polished aluminum or anodized black for that "Stealth" look. These pulleys areconsiderably lighter than stock. Performance and looks too! Pulleys are available individually and in complete sets

The Stock Block Head Clamp.Designed to utilize the unused outer bolt holes on both 14 and 8 bolt GN1 heads on a stock block. On paper the RJC-SBHC increases overall clamping force 20%. Our real world testing showed that they significantly increase clamping load allowing much higher cylinder pressure before gasket failure. There are no down sides to these. They simply work great.

"New Stamping" Deep Sump Oil Pans.Features: 1-1/4" deeper oil sump, external drain bung, billet aluminum pick up stube extension, stiffening flange, oil baffle plate, gold zink plating, sump modification, anti gasket crush boss deletion.

This plate is like a plenum spacer. Its purpose is to evenly distribute airflow to all cylinders through the intake manifold and not to add volume to the upper plenum like all previous spacers that do nothing. After extensive research and testing we have a profile that maximizes flow to all cylinders. This piece is 1/8" thick. It uses all the stock fastening hardware. It simply bolts on with nothing more to modify.